Pix2Fone
Save pictures from internet or your computer as wallpapers on your mobile phone. Supported image file formats: JPG, non-animated GIF, PNG, BMP. You can also use the extension to upload MP3 audio files to your phone.Note: You must have wireless internet (also known as WAP, mobile web or data service) enabled on your phone. Some carriers (in particular Verizon Wireless, U.S. Cellular, Virgin Mobile in the U.S. and Telus Mobility and Virgin Mobile in Canada) block media file (pictures, ringtones etc.) downloads from third-party websites. If you are a subscriber of one of these mobile networks, - we're sorry, Pix2Fone won't work for you.
Supported
versions: Firefox 1.0 - 2.0.0.* Windows Mozilla 1.4 - 1.8 Windows
Notes / Comments: The latest release of this extension may be under review by Mozilla.org editor at the moment. Current release, compatible with Firefox 2, is available at the Pix2Fone homepage ( http://www.pix2fone.com ).
Categories: Entertainment, Image Browsing, Miscellaneous

Right-click on a desired picture in your browser and select "Save Picture to Mobile Phone" from the context menu.:
